| 摘要 |
PURPOSE: A retaining apparatus is provided to prevent inflow of soil or water as both ends of the blocking plate are airtightly connected to piles or couplers. CONSTITUTION: A retaining apparatus comprises a pile(10), a coupler(20), and a blocking plate(30). The pile has two insertion grooves whose openings are formed in the perpendicular direction. The coupler has two insertion grooves which are located on the same line and whose openings are formed in the perpendicular direction. Both ends of the blocking plate are inserted in the insertion grooves. |
